Presidium standard+duo probe, new (after oct 2020) models Digital scales - regular lines - resolution 0.1g The Presidium ARI is an

The Presidium ARI is an essential tool for the experienced jeweller and professional diamond dealer

- replaceable probe (i

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- case opener for screw-back watches

Presidium standard+duo probe, new (after oct 2020) models Digital scales - regular lines - resolution 0.1g The Presidium ARI is anDetails There are two types of probe depending on whether you bought your tester before or after October 2020, please check carefully that you are buying the right one. This probe has the new style connector. It fits the following Presidium electronic gem testers: our ref. Gemtest P2 Presidium's ref. PGTII and also the NEWER versions (this one) of: our ref. gemtest duo Presidium's ref. PDT S7 Not sure which you have? See our information sheet.